I do this to ensure they understand the cleanliness and cooperation is key to this model working for them and myself.

Keys. 

@Andrew Steffens sounds like it’s going great so far but I do agree that pricing is key this year.  

Cash for keys is common, and frequently the part that keeps tenants from moving forward is not having an affordable place to go to.

Totally agree and I think the key word you used is "discipline". 

Also, are you looking for turn-key properties or something along the lines of a "fixer upper"? 

Rehab costs and  are key parts of evaluating deals, so it's great that you're diving into these concepts early.For rehab costs, creating a rough estimate starts with understanding the scope of work and local pricing for materials and labor.

My experience was excellent both projects were completed successfully, on time, and delivered solid returns.

Now you're at 31% return.Now thats making a couple of key assumptions - 1) the property you're buying is around 500k.

The key is to secure financing options before finding a property, ensuring you have enough funds to move quickly when a great deal arises.